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Re: Device page
On Sun, 7 Feb 2010, Masao Uebayashi wrote:
> > This will break mchines that store additional information such as
> > cacheing in the physaddr_t.
> Could you be more specific? The only instance accessing phys_addr member I
> can find is:
> sys/arch/arm/include/arm32/vmparam.h: (pg)->mdpage.pvh_attrs =
> (pg)->phys_addr & arm_cache_prefer_mask
ISTR sparc64 used bits in the physaddr_t for frambuffer mappings.
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